CN214569339U

CN214569339U - Paper separating device for printing machine

Info

Publication number: CN214569339U
Application number: CN202120500738.XU
Authority: CN
Inventors: 王浩宇; 吕俊霞; 张治国
Original assignee: Shandong Huali Printing Co ltd
Current assignee: Shandong Huali Printing Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-02
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a paper separating device for a printing machine, which relates to the technical field of printing machines and comprises a lower driving wheel, a lower conveying belt, a lower driven wheel, an upper conveying belt, an upper driving wheel, a baffle and a transmission driving wheel, wherein the upper driving wheel is positioned between the upper driven wheel and the transmission driving wheel, is close to the transmission driving wheel and leaves a certain gap with the transmission driving wheel; the lower driving wheel and the lower driven wheel are connected by winding through a lower conveying belt, the upper driving wheel and the upper driven wheel are connected by winding through an upper conveying belt, the upper conveying belt is positioned above the lower conveying belt, and the lower bottom surface of the upper conveying belt is contacted with the upper top surface of the lower conveying belt; through setting up two sides conveyer belt synchronous motion to press from both sides the paper walking, when avoiding only single face conveyer belt, when fixing device such as paper another side and clamp plate slided relatively, the paper that arouses crouches or blocks up the phenomenon, thereby has improved the efficiency of equipment, improve equipment's life simultaneously.

Description

Paper separating device for printing machine

Technical Field

The utility model belongs to the technical field of the printing machine technique and specifically relates to a paper separator for printing machine is related to.

Background

A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle of the method is that characters and images to be printed are made into a printing plate, the printing plate is arranged on a printing machine, then ink is coated on the position, where the characters and the images are arranged, of the printing plate by a person or the printing machine, and then the printing plate is directly or indirectly transferred onto paper or other printing stocks (such as textiles, metal plates, plastics, leather, wood plates, glass and ceramics), so that printed matters identical to the printing plate are copied. The utility model and the development of the printing machine play an important role in the propagation of human civilization and culture.

In a printing press, the paper separating device is an important component, and the performance of the paper separating device directly determines the quality of the printing press.

At present, when the paper separating device of a printing machine is used, the paper separating device is often conveyed through a single side, the other side of the paper separating device is a pressing plate pressing structure, and due to the structure, when paper is separated, the paper is often jammed, so that the paper is damaged, waste is caused, and meanwhile the service life of the machine is also influenced.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies and drawbacks of the prior art, it is an object of the present invention to provide a paper separating apparatus for a printing press.

In order to solve the technical problem, the utility model discloses a following technical scheme: a paper separating device for a printing machine comprises a lower driving wheel, a lower conveying belt, a lower driven wheel, an upper conveying belt, an upper driving wheel, a baffle and a transmission driving wheel, wherein the upper driven wheel is positioned right above the lower driven wheel;

the lower driving wheel and the lower driven wheel are connected through a lower conveying belt in a winding mode, the upper driving wheel and the upper driven wheel are connected through an upper conveying belt in a winding mode, the upper conveying belt is located above the lower conveying belt, and the lower bottom surface of the upper conveying belt is in contact with the upper top surface of the lower conveying belt.

As a further improvement of the utility model, the baffle is provided with a plurality of rollers, the rollers expose the upper arc surface of the baffle, and when the rollers are arranged, the central connecting line of the rollers is the same as the radian of the upper arc surface of the baffle and is in the same direction; the roller structure is adopted, so that the friction force of paper on the baffle plate in direct sliding can be reduced, and the paper abrasion is avoided.

As a further improvement of the utility model, the lower driven wheel and the upper driven wheel are both provided with tensioning devices; the tensioning device can tension the upper conveying belt and the lower conveying belt, and influence on paper transmission is avoided when the upper conveying belt and the lower conveying belt are loosened.

As a further improvement, the tensioning device include screw rod, nut and tensioning plate, the quantity of screw rod and nut all have four, lower bearing frame from the pivot both ends of driving wheel respectively connect a screw rod with the last bearing frame from the both ends of driving wheel pivot, the other end of every screw rod all pass the tensioning plate and cooperate the screw of twisting and connect the nut. The tensioning device has simple structure, and can be tensioned by directly rotating the nut

As a further improvement of the utility model, the outer surfaces of the upper conveying belt and the lower conveying belt are both arranged to be concave-convex. The sheets are prevented from slipping between the two conveyor belts.

Compared with the prior art, the utility model discloses the beneficial effect who has does: through setting up two sides conveyer belt synchronous motion to press from both sides the paper walking, when avoiding only single face conveyer belt, when fixing device such as paper another side and clamp plate slided relatively, the paper that arouses crouches or blocks up the phenomenon, thereby has improved the efficiency of equipment, improve equipment's life simultaneously.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a paper separating device for a printing press according to the present invention;

FIG. 2 is an enlarged view of the roller of the present invention;

in the figure: the device comprises a lower driving wheel 1, a lower conveying belt 2, a lower driven wheel 3, an upper driven wheel 4, an upper conveying belt 5, an upper driving wheel 6, a baffle 7, a roller 71, a transmission driving wheel 8, a tensioning device 9, a screw 91, a nut 92 and a tensioning plate 93.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

The embodiment of the utility model discloses a paper separator for printing machine. Referring to fig. 1, a paper separating device for a printing machine comprises a lower driving wheel 1, a lower conveying belt 2, a lower driven wheel 3, an upper driven wheel 4, an upper conveying belt 5, an upper driving wheel 6, a baffle 7 and a transmission driving wheel 8, wherein the upper driven wheel 4 is positioned right above the lower driven wheel 3, the transmission driving wheel 8 is positioned right above the lower driving wheel 1, the upper driving wheel 6 is positioned between the upper driven wheel 4 and the transmission driving wheel 8, abuts against the transmission driving wheel 8 and is provided with a certain gap with the transmission driving wheel 8, the lower part of the gap between the upper driving wheel 6 and the transmission driving wheel 8 is provided with an arc baffle 7, and the arc-shaped circle center of the baffle 7 is concentric with the circle center of the upper driving wheel 6; preferably, the baffle 7 is provided with a plurality of rollers 71, the rollers 71 are exposed out of the upper arc surface of the baffle 7, and when the rollers 71 are arranged, the central connecting line of the plurality of rollers is the same as the arc of the upper arc surface of the baffle 7 and is in the same direction; the rollers are arranged, so that the friction force of paper on the baffle 7 in direct sliding can be reduced, and the abrasion of the paper is avoided. The transmission driving wheel 8, the lower driving wheel 1 and the upper driving wheel 6 are all connected with a driving device in the printer body, the rotating speeds of the transmission driving wheel 8, the lower driving wheel 1 and the upper driving wheel 6 are the same, the rotating directions of the transmission driving wheel 8 and the lower driving wheel 1 are the same, and the rotating directions of the upper driving wheel 6 and the lower driving wheel are opposite.

Lower action wheel 1 with follow driving wheel 3 down and connect through the winding of lower conveyer belt 2, last action wheel 6 with go up from driving wheel 4 and connect through the winding of last conveyer belt 5, last conveyer belt 5 be in the top of conveyer belt 2 down, and the lower bottom surface of last conveyer belt 5 and the last top surface contact of lower conveyer belt 2. The outer surfaces of the upper conveying belt 5 and the lower conveying belt 2 are both concave-convex, so that paper is prevented from sliding between the two conveying belts.

The lower driven wheel 3 and the upper driven wheel 4 are both provided with a tensioning device 9; the tensioning device 9 comprises four screw rods 91, nuts 92 and tensioning plates 93, the number of the screw rods 91 and the number of the nuts 92 are four, the bearing blocks at two ends of the rotating shaft of the lower driven wheel 3 and the bearing blocks at two ends of the rotating shaft of the upper driven wheel 4 are respectively connected with one screw rod 91, the other end of each screw rod 91 penetrates through the tensioning plate 93 and is matched with the screwing nut 92, and the tensioning plate 93 is fixed on the printer body. With the structure, the upper conveying belt 5 and the lower conveying belt 2 can be tensioned by directly rotating the nut 92, and the influence on paper transmission when the upper conveying belt and the lower conveying belt are loosened is avoided.

The embodiment of the utility model provides a paper separator for printing machine's implementation principle does: after the printing machine is started, the driving of the paper separating device starts to work, so that the transmission driving wheel 8, the lower driving wheel 1 and the upper driving wheel 6 are driven to rotate, the rotation directions of the lower driving wheel 1 and the upper driving wheel 6 are opposite, so that the upper conveying belt 5 and the lower conveying belt 2 are driven to rotate in opposite directions, the paper is squeezed into a gap between the transmission driving wheel 8 and the lower driving wheel 1 by the rotation of the transmission driving wheel 8, then the paper enters the space between the upper conveying belt 5 and the lower conveying belt 2 along the roller 71 on the baffle 7 and rotates along with the two conveying belts, and finally the paper is squeezed out from the upper driven wheel 4 and the lower driven wheel 3.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.

Claims

1. A sheet separation device for a printing press, characterized in that: the conveying device comprises a lower driving wheel (1), a lower conveying belt (2), a lower driven wheel (3), an upper driven wheel (4), an upper conveying belt (5), an upper driving wheel (6), a baffle (7) and a conveying driving wheel (8), wherein the upper driven wheel (4) is positioned right above the lower driven wheel (3), the conveying driving wheel (8) is positioned right above the lower driving wheel (1), the upper driving wheel (6) is positioned between the upper driven wheel (4) and the conveying driving wheel (8), is close to the conveying driving wheel (8) and is provided with a certain gap with the conveying driving wheel (8), the lower part of the gap between the upper driving wheel (6) and the conveying driving wheel (8) is provided with an arc-shaped baffle (7), and the arc-shaped circle center of the baffle (7) is concentric with the circle center of the upper driving wheel (6);

lower action wheel (1) with down connect through lower conveyer belt (2) winding from driving wheel (3), last action wheel (6) with go up from driving wheel (4) and connect through last conveyer belt (5) winding, last conveyer belt (5) be in the top of conveyer belt (2) down, and the lower bottom surface of going up conveyer belt (5) and the last top surface contact of conveyer belt (2) down.

2. A sheet separating apparatus for a printing press according to claim 1, wherein: the baffle (7) on be equipped with a plurality of gyro wheels (71), gyro wheel (71) expose the last cambered surface of baffle (7), and when a plurality of gyro wheels (71) were arranged, the radian of the last cambered surface of its central connecting line with baffle (7) was the same to be in same direction.

3. A sheet separating apparatus for a printing press according to claim 1, wherein: and the lower driven wheel (3) and the upper driven wheel (4) are both provided with a tensioning device (9).

4. A sheet separating apparatus for a printing press according to claim 3, wherein: the tensioning device (9) comprises screw rods (91), nuts (92) and tensioning plates (93), the number of the screw rods (91) and the number of the nuts (92) are four, the bearing blocks at two ends of the rotating shaft of the lower driven wheel (3) and the bearing blocks at two ends of the rotating shaft of the upper driven wheel (4) are respectively connected with one screw rod (91), and the other end of each screw rod (91) penetrates through the tensioning plate (93) and is matched with and screwed with the nut (92).

5. A sheet separating apparatus for a printing press according to claim 1, wherein: the outer surfaces of the upper conveying belt (5) and the lower conveying belt (2) are both concave-convex.